Biomass and Geothermal Energy

Which of the following is a primary source of biomass energy?

• Solar

• Wind

• Plants and organic matter

• Tidal

The process of converting biomass into energy through the combustion of organic materials is known as:

• Photovoltaic conversion

• Biomass combustion

• Hydrolysis

• Pyrolysis

Which of these is a thermal process for biomass conversion?

• Fermentation

• Anaerobic digestion

• Pyrolysis

• Photosynthesis

What is the main gas produced in anaerobic digestion of biomass?

• Methane

• Oxygen

• Nitrogen

• Carbon monoxide

Which of the following conversion processes is NOT commonly associated with biomass energy?

• Combustion

• Photosynthesis

• Anaerobic digestion

• Gasification

Cogeneration using biomass primarily aims to produce:

• Only heat

• Only electricity

• Both heat and electricity

• Mechanical power

One of the environmental benefits of biomass energy is:

• Increase in air pollution

• Reduction in greenhouse gas emissions

• Depletion of natural resources

• Increase in soil erosion

Which greenhouse gas is primarily reduced when biomass replaces fossil fuels in energy production?

• Nitrous oxide

• Sulfur dioxide

• Carbon dioxide

• Chlorofluorocarbons

In terms of carbon emissions, biomass energy is considered:

• Carbon neutral

• Highly polluting

• Carbon negative

• None of the above

Using waste biomass for energy can help reduce:

• Fossil fuel reserves

• Landfill waste

• Solar radiation

• Water resources